PV International Desk : A former nurse who allegedly killed as
many as 20 elderly patients by injecting their intravenous drips with
chemicals is in police custody, Japanese media have reported.

The suspect reportedly said she wanted to control when her patients died.

Police said Wednesday 31-year-old Ayumi Kuboki was in custody over the
alleged murder of an 88-year-old man at a hospital in suburban Tokyo. They
declined to confirm the broader investigation.

She was arrested Saturday over the alleged murder of the elderly patient
in 2016, but she has told police she may have killed up to 20 people, local
media said. It is believed the suspect has not worked as a nurse since the
2016 death.

Kuboki allegedly killed the 88-year-old man by injecting a disinfectant
into his drip, it was reported.

The suspect has told police she mixed disinfectant into the intravenous
drips of around 20 patients, Jiji Press reported, citing an unnamed police

Kuboki reportedly denied any specific grudge against her patients, but
said she found it difficult to deal with deaths on her shift, and injecting
the drips allowed her to control when her patients died.